Planners and engineers are responsible for ensuring the work zone is operating properly and drivers are responsible for traveling safely through construction zones. In a work zone, drivers should always pay attention to roadway signs, construction workers on or near the road and the road's surface.
I thought it was (d) but I might be wrong
Answer:
c they let people know what dinosaurs looked like
Cytoplasm inside the leaves of the plant absorb the sun light
the lithosphere is inbetween
